Athenian ships were sleek and fast while the Persian navy consisted of very large ships and the straits of Salamis rendered their huge size useless since there was very little space to manoeuvre effectively.
Greek history books have some very interesting details of the ships concerned. You can also find some very interesting information on-line as well, though I don't think I can recommend and sites.
Battle of Salamis happened in -480.
It was a sea battle. The Greek fleet assembled at the island of Salamis in preparation to fighting the Persian fleet.
480
The Battle of Salamis took place in the strait between Piraeus and Salamis Island, an island in the Saronic Gulf near Athens.
In the strait between the island of Salamis and Athens.
In the bay between the island of Salamis and Athens.
Xerxes I of Persia was defeated in the naval battle of Salamis by Athenian admiral Themistocles .
In the strait between Salamis Island and Athens.
Approximately 1 month! :D The question you mean is : how long did the battle of salamis last? ;)
Between the Island of Salamis and the Greek mainland near Athens.
In the straits between mainland Greece and the Island of Salamis, September 480 BC. The battle was a decisive Greek victory
Salamis which destroyed Persian sea power.